<!doctype html>
<title>Return function calculator</title>

<script>

var addition = add(12, 6);
var subtraction = subtract(67, 45);
var multiplication = multiply(34, 26);
var division = divide(100, 5);

console.log(addition);
console.log(subtraction);
console.log(multiplication);
console.log(division);

function add(firstNumber, secondNumber)
{
  var total = firstNumber + secondNumber;
  return total; 
}
	
function subtract(firstNumber, secondNumber)
{
  var difference = firstNumber - secondNumber;
  return difference;
}
	
function multiply(firstNumber, secondNumber)
{
  var product = firstNumber * secondNumber;
  return product;
}
	
function divide(firstNumber, secondNumber)
{
  var quotient = firstNumber / secondNumber;
  return quotient;
}

</script>